Schizophrenia is probably the most misunderstood of all mental illnesses. »

Seasonal affective disorder, commonly known as SAD, is a type of depression that affects people in the winter months. »

Sexually transmitted diseases – commonly known as STDs – are infections caused by micro-organisms passed on from person to person during intimate sexual contact. »

Perhaps you thought that you were off the hook when your chicken pox cleared up way back when. »

Good news, sinusitis sufferers! Easy-to-follow at-home treatments can produce welcome relief, and plenty of symptom-specific medications can really help. »

The skin is composed of many different types of cells—basal cells, squamous cells, melanocytes, others—that naturally grow and slough off over time. »

Nights are hardly restful if you have sleep apnea, a chronic and sometimes dangerous condition in which your breathing literally—and repeatedly—stops during sleep. »

Brief episodes of stress can raise our energy levels and improve performance. »

Many promising new drugs, devices, and therapies are being developed to boost survival rates and improve the quality of life for those who experience a stroke. »

Drug misuse is the taking of drugs that can harm health, make it hard to function socially, or are simply illegal. »